var oLoad = getByClass(document.body, 'pxs_loading')[0];
var oImgBox = getByClass(document.body, 'pxs_slider_wrapper')[0];
//var oEvent=ev||event;
//var obj=oEvent.srcElement||oEvent.target;
var imgs = document.getElementsByTagName('img');
for (var i = 0; i < imgs.length; i++) {
    oLoad.style.display = 'none';
    oImgBox.style.display = 'block';
}